Finding the Fourth Proportional to 92,942.04, 139,298.88 and 42,954.48

Step by Step Solution

1. Step 1: Write the proportion equation
   92,942.04 : 139,298.88 = 42,954.48 : x
2. Step 2: Convert to fraction form
   92,942.04/139,298.88 = 42,954.48/x
3. Step 3: Cross multiply
   92,942.04x = 139,298.88 × 42,954.48
4. Step 4: Simplify right side
   92,942.04x = 5,983,510,954.98
5. Step 5: Solve for x
   x = 5,983,510,954.98/92,942.04
6. Step 6: Final answer
   x = 64,378.95